NOTICE: In order for this plugin to work properly, open the code and follow the instructions below:
Type in or Copy and paste this to Line 2:
@import url(https://fonts.googleapis.com/css?family=Montserrat);

After that, type in or Copy and paste this to Line 3:
@import url(https://fonts.googleapis.com/css?family=Raleway);

Remember, REPLACE the lines of code which state: /* --Placeholder-- */.
After this though, you're ready to go!

----------[RELEASE NOTES]----------

Versions:
-1.0
New features:
-Transparent Header Bar,
-OBC background when searching up games and viewing.
-No advertisements except official ones *Hopefully patched in the future.
-Modern layout and design.
-Background for main page.

-----COPY AND PASTE-----
Want to just view the code and copy and paste it in? Here it is!
INSTRUCTIONS: Copy and paste this into import after creating a new style. Tip: Info is on the far left.

@-moz-document url-prefix("https://web.roblox.com"), url-prefix("http://web.roblox.com") {
@import url(https://fonts.googleapis.com/css?family=Montserrat);
@import url(https://fonts.googleapis.com/css?family=Montserrat);
/* --Remove Ads-- */
.ad {
display: none !important;
}
.ad-identification-text {
display: none !important;
}
.BadAdButton {
display: none !important;
}
#google_image_div {
display: none !important;
}
.ads_container {
display: none !important;
}
/* --Remove official ads-- */
#google_image_div {
display: none !important;
}
#GamePageAdDiv2 {
display: none !important;
}
/* --Remove annotations for ads-- */
.ad-identification {
display: none !important;
}
/* --Change Header-- */
#header {
font-family: Segoe UI Light;
opacity: 0.85;
}
.container-fluid {
background-color: rgb(210, 0, 0);
}
.input-group {
opacity: 1;
}
#navbar-search-input {
opacity: 1;
font-family: Century Gothic;
}
.rbx-navbar-search-option {
font-family: 'Montserrat',sans-serif;
}
.rbx-text-navbar-right {
font-family: 'Montserrat',sans-serif;
}
/* --Change Footer-- */
body {
font-family: Yu Gothic Light;
}
/* --Change Games-- */
.game-card-container {
font-family: Century Gothic;
}
/* --Change Menu-- */
/* --Change User Name-- */
.text-lead {
font-size: 28px;
font-family: Georgia, Times, "Times New Roman", serif;
text-shadow: 1px 1px solid black;
}
/* --Change GUI-- */
}

@-moz-document url-prefix("https://web.roblox.com/games/"), url-prefix("http://web.roblox.com/games/") {
/* --Game info styling-- */
.text-lead {
font-family: 'Montserrat';
color: rgb(20,20,20);
font-size: 24px;
}
/* --Store Styling-- */
.text-overflow {
font-family: 'Montserrat';
}
.store-card-name {
font-family: 'Montserrat';
}
.PurchaseButton {
font-family: Segoe Ui Light;
}
.PurchaseButton:hover {
background-color: #757575;
border-color: #757575;
}
.text-robux {
padding-left: 5px;
font-size: 16px;
font-family: Segoe Ui Light;
}
#vote-up-text {
padding-right: 10px;
}
/* --Background-- */
body {
background-image: url("https://i.imgur.com/50p9kdA.jpg");
background-repeat: no-repeat;
background-attachment: fixed;
background-size: 100%;
margin: 0px;
}
.content {
background-image: url("https://i.imgur.com/50p9kdA.jpg");
background-repeat: no-repeat;
background-attachment: fixed;
background-size: 100%;
margin: 0px;
}
/* --Fix glitch?-- */
#game-detail-page {
margin-left: 150px;
}
.container-header {
color: white;
}
#google_image_div {
display: none !important;
}
/* --Comments-- */
.text-name {
font-family: 'Raleway';
}
.icon-moreinfo {
display: none !important;
}
}

@-moz-document url-prefix("https://web.roblox.com/games/?SortFilter="), url-prefix("http://web.roblox.com/games/?SortFilter=") {
body {
overflow-x: hidden;
}
/* --Block more ads --*/
.GamesPageRightColumn {
display: none !important;
}
/* --Buttons-- */
.input-group-btn games-page-filter {
margin-left: 10px;
}
.see-all-button.games-filter-changer.btn-fixed-width.btn-secondary-xs.btn-more {
text-shadow: 0px 0px black;
}
/* --Background-- */
/* --Get Background id--
Remove this portion for no background image.
*/
.content {
background-image: url("http://dfe5023mux16t.cloudfront.net/wp-content/uploads/2015/01/Roblox-Wallpaper-5.png");
background-repeat: no-repeat;
background-attachment: fixed;
background-size: 100%;
margin: 0px;
width: 100%;
}
.container-main {
background-image: url("http://dfe5023mux16t.cloudfront.net/wp-content/uploads/2015/01/Roblox-Wallpaper-5.png");
background-repeat: no-repeat;
background-attachment: fixed;
background-size: 100%;
}
/* --Stretch content-- */
.games-page-lists-container {
padding-left: 20px;
padding-right: 20px;
width: 110%;
}
/* --Fix glitches-- */
.games-list-header {
color: white;
text-shadow: 1px 1px black;
}
.games-filter-changer {
color: white;
text-shadow: 1px 1px black;
}
}

@-moz-document url-prefix("https://web.roblox.com/games/?Keyword="), url-prefix("http://web.roblox.com/games/?Keyword=") {
/* --Search query-- */
.search-query-text {
font-family: 'Montserrat', sans-serif ;
}
.search-query-text:after {
content: '"';
}
.search-query-text:before {
content: '"';
}
.game-card-container {
text-decoration: none;
}
/* --Fix Margin-- */
body {
margin: 0;
overflow-x: hidden;
}
.games-list-header {
margin-top: 50px;
margin-left: 20px;
}
.games-list {
position: absolute;
left: -50px;
top: 50px;
margin-top: 50px;
margin-left: 50px;
background-color: #E3E3E3;
width: 100%;
padding-right: 20px;
}
.games-list-container.search-results-container.can-search.overflow-visible {
background-color: #E3E3E3;
}
#SearchResultsContainer {
background-color: #E3E3E3;
}
.container-footer {
position: absolute;
display: none !important;
}
.list-item.game-card {
position: relative;
left: 20px;
}
}

@-moz-document url-prefix("https://web.roblox.com/My/Groups.aspx?"), url-prefix("http://web.roblox.com/My/Groups.aspx?") {
/* This section is for groups */
/* --Ownership styling-- */
#ctl00_cphRoblox_OwnershipPanel {
font-family: 'Raleway';
text-decoration: none !important;
}
#MemberCount {
font-family: 'Century Gothic';
font-size: 24px;
}
#ctl00_cphRoblox_StatusRank:before {
content: "\a";
white-space: pre;
}
#ctl00_cphRoblox_StatusRank {
font-family: Segoe UI Light;
font-size: 20px;

}
/* --Group Description-- */
#description {
font-family: Segoe UI Light;
}
/* --Default Background-- */
body {
background-image: url("http://blog.roblox.com/wp-content/uploads/2015/06/FauxHawke.png");
background-repeat: no-repeat;
background-attachment: fixed;
background-size: 100%;
}
}

@-moz-document url("https://web.roblox.com/home"), url("http://web.roblox.com/home") {
/* --Profile-- */
.home-header-content.non-bc {
font-family: 'Raleway', sans-serif;
}
/* --Friend List-- */
.hlist {
font-family: Century Gothic;
text-decoration: bold;
}
.friend-list {
font-family: Century Gothic;
text-decoration: bold;
}
/* --No ads-- */
#google_image_div {
display: none !important;
}
}

@-moz-document url-prefix("https://web.roblox.com/users/"), url-prefix("http://web.roblox.com/users/") {
.text-lead {
font-family: 'Montserrat';
}
.enable-three-dee.btn-control.btn-control-small {
font-family: 'Century Gothic', sans-serif;
font-weight: bold;
}
.text-overflow.friend-name {
font-family: 'Century Gothic', sans-serif;
}
.btn-control-md:hover {
background-color: #B8B8B8;
}
}